The Darwin VAAC reported that during 10-12 May ash plumes from Anak Krakatau rose to 2.4 km (8,000 ft) a.s.l.
and drifted E, N, NW, and W based on satellite images and weather models.
On 13 May satellite images showed a narrow ash plume drifting SE and E at an altitude of 2.4 km.
Dense steam plume with minor ash content rose to 2.4 km and drifted NE, N, NW, and W during 14-16 May.
Source: Darwin Volcanic Ash Advisory Centre (VAAC)